diff --git a/CHANGELIST.md b/CHANGELIST.md
index 1b109e1c..e3bbc528 100644
--- a/CHANGELIST.md
+++ b/CHANGELIST.md
@@ -2,6 +2,7 @@
 
 - Create currently-unused processors
 - Move DataFile to Core.Data
+- Seal XBC processor
 
 ### 3.1.9a (2024-05-21)
 
diff --git a/MPF.Core/Processors/XboxBackupCreator.cs b/MPF.Core/Processors/XboxBackupCreator.cs
index 79402a79..139081ce 100644
--- a/MPF.Core/Processors/XboxBackupCreator.cs
+++ b/MPF.Core/Processors/XboxBackupCreator.cs
@@ -13,7 +13,7 @@ namespace MPF.Core.Processors
     /// <summary>
     /// Represents processing Xbox Backup Creator outputs
     /// </summary>
-    public class XboxBackupCreator : BaseProcessor
+    public sealed class XboxBackupCreator : BaseProcessor
     {
         /// <inheritdoc/>
         public XboxBackupCreator(RedumpSystem? system, MediaType? type) : base(system, type) { }